Hanratty, Orrin books & textbook
The Event: Gold Rush
Metcalf, Steve Miller, Robert S. Copeland, Alicia Hanratty, Orrin
Independently published /2020-07-16 Paperback / 177 Pages
The Event: Precision Robotics
Metcalf, Steve Miller, Robert S. Hanratty, Orrin Skala, J. C.
Independently published /2019-06-14 Paperback / 277 Pages
isbn-10: 1074005813 / isbn-13: 9781074005818
